{"id":1196495,"date":"2023-02-22T17:27:35","date_gmt":"2023-02-22T17:27:35","guid":{"rendered":"https:\/\/www.businesstelegraph.co.uk\/google-hails-key-milestone-in-quantum-computing-with-reduction-in-error-rates\/"},"modified":"2023-02-22T17:27:35","modified_gmt":"2023-02-22T17:27:35","slug":"google-hails-key-milestone-in-quantum-computing-with-reduction-in-error-rates","status":"publish","type":"post","link":"https:\/\/www.businesstelegraph.co.uk\/google-hails-key-milestone-in-quantum-computing-with-reduction-in-error-rates\/","title":{"rendered":"Google hails &#039;key milestone&#039; in quantum computing with reduction in error rates"},"content":{"rendered":"<p> <script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- newscabal uk text -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:90px\"\r\n     data-ad-client=\"ca-pub-8162386273903324\"\r\n     data-ad-slot=\"3688094655\"><\/ins>\r\n<script>\r\n(adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div data-brcount=\"37\"><a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/google\" target=\"_blank\" rel=\"noopener\">Google<\/a> scientists said on Wednesday that they have passed a major milestone in their quest to develop effective <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/quantum-computing\" target=\"_blank\" rel=\"noopener\">quantum computing<\/a>, with a new study showing they reduced the rate of errors &#8212; long an obstacle for the much-hyped technology.<\/p>\n<p>Quantum computing has been touted as a revolutionary advancement that uses our growing scientific understanding of the subatomic world to create a machine with powers far beyond those of today&#8217;s conventional computers.<\/p>\n<p>However the technology remains largely theoretical, with many thorny problems still standing in the way &#8212; including stubbornly high error rates.<\/p>\n<p> In new research published in the journal Nature, the <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/google-quantum-ai-lab\" target=\"_blank\" rel=\"noopener\">Google Quantum AI lab<\/a> described a system that can significantly decrease the error rate.<\/p>\n<p>That could give the US tech giant a step up on its rivals such as <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/ibm\" target=\"_blank\" rel=\"noopener\">IBM<\/a>, which is also working on superconducting quantum processors.<\/p>\n<p>While traditional computers process information in bits that can be represented by 0 or 1, quantum computers use <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/qubits\" target=\"_blank\" rel=\"noopener\">qubits<\/a>, which can be a combination of both at the same time.<\/p>\n<div class=\"storyCollection\">\n<section data-ga-impression=\"Articleshow Blocker#Scroll#testimonial\" style=\"padding:0px;margin-top:5px;background-color: #fff4f2;\" id=\"testimonialListing1\" class=\"container testimonial\">\n<div class=\"testomonial_wrapper\">\n<div class=\"overh\">\n<h3>Discover the stories of your interest<\/h3>\n<\/div>\n<div style=\"top: 15px;display: flex;align-items: center;justify-content: center;\" class=\"nextprev-btn\"><span class=\"prev-btn leftA disable\"><img decoding=\"async\" src=\"https:\/\/www.businesstelegraph.co.uk\/wp-content\/uploads\/2022\/01\/Online-food-delivery-picks-up-again-as-third-wave-bites.cms.png\"\/><\/span><span class=\"next-btn rightA\"><img decoding=\"async\" src=\"https:\/\/www.businesstelegraph.co.uk\/wp-content\/uploads\/2022\/01\/Online-food-delivery-picks-up-again-as-third-wave-bites.cms.png\"\/><\/span><\/div>\n<\/div>\n<\/section>\n<\/div>\n<p><!--\/tech_brief_widget.cms?msid=87862328potime:3--><br \/> This property, known as superposition, means that a quantum computer can crunch an enormous number of potential outcomes simultaneously. The computers harness some of the most mind-boggling aspects of quantum mechanics, including a phenomenon known as &#8220;entanglement&#8221; &#8212; in which two members of a pair of bits can exist in a single state, even if far apart.<\/p>\n<p>&#8211; &#8216;Magic&#8217; &#8211; But a problem called decoherence can cause the qubits to lose their information when they leave their quantum state and come into contact with the outside world.<\/p>\n<p>This fragility causes high error rates, which also increase with the number of qubits, frustrating scientists wanting to ramp up their experiments.<\/p>\n<p>However Google&#8217;s team said it had demonstrated for the first time in practice that a system using error-correcting code can detect and fix errors without affecting the information.<\/p>\n<p>The system was first theorised in the 1990s, however previous attempts had just thrown up more errors, not less, said Google&#8217;s Hartmut Neven, a co-author of the study.<\/p>\n<p>&#8220;But if all components of your system have sufficiently low error rates, then the magic of <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/topic\/quantum-error-correction\" target=\"_blank\" rel=\"noopener\">quantum error correction<\/a> kicks in,&#8221; Neven told a press conference.<\/p>\n<p>Julian Kelly, another study co-author, hailed the development as &#8220;a key scientific milestone&#8221;, saying that &#8220;quantum error correction is the single most important technology for the future of quantum computing&#8221;.<\/p>\n<p>Neven said the result was still &#8220;not good enough, we need to get to an absolute low error rate&#8221;.<\/p>\n<p>He added that &#8220;there are more steps to come&#8221; to achieve the dream of a useable quantum computer.<\/p>\n<p>Google claimed in 2019 it had passed a milestone known as &#8220;quantum supremacy&#8221;, when the tech giant said its Sycamore machine executed a calculation in 200 seconds that would have taken a conventional supercomputer 10,000 years to complete. <\/p>\n<p>However the achievement has since been disputed, with Chinese researchers saying last year that a supercomputer could have beaten Sycamore&#8217;s time.<\/p>\n<p>Also read | <a data-ga-onclick=\"Inarticle articleshow link click#Tech#href\" href=\"https:\/\/economictimes.indiatimes.com\/tech\/technology\/qubit-by-qubit-making-quantum-computing-accessible-for-the-masses\/articleshow\/95787727.cms?from=mdr\" data-type=\"tilCustomLink\">Qubit by Qubit: making quantum computing accessible for the masses<\/a><\/p>\n<\/div>\n<div>Stay on top of <a href=\"https:\/\/economictimes.indiatimes.com\/tech\">technology<\/a> and <a href=\"https:\/\/economictimes.indiatimes.com\/tech\/startups\">startup news<\/a> that matters. <a href=\"https:\/\/economictimes.indiatimes.com\/subscription?newslettertype=div_3125&amp;email=2&amp;utm_source=newsletter&amp;utm_medium=email&amp;utm_campaign=DailyTop5\">Subscribe<\/a> to our daily newsletter for the latest and must-read tech news, delivered straight to your inbox.<\/div>\n<p><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-8162386273903324\"\r\n     data-ad-slot=\"7859258044\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><a href=\"https:\/\/economictimes.indiatimes.com\/tech\/technology\/google-hails-key-milestone-in-quantum-computing-with-reduction-in-error-rates\/articleshow\/98160558.cms\">READ SOURCE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google scientists said on Wednesday that they have passed a major milestone in their quest to develop effective quantum computing, with a new study showing they reduced the rate of errors &#8212; long an obstacle for the much-hyped technology. Quantum computing has been touted as a revolutionary advancement that uses our growing scientific understanding of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1196496,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_oct_exclude_from_cache":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1196495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Google hails &#039;key milestone&#039; in quantum computing with reduction in error rates - Business Telegraph<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/economictimes.indiatimes.com\/tech\/technology\/google-hails-key-milestone-in-quantum-computing-with-reduction-in-error-rates\/articleshow\/98160558.cms\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google hails &#039;key milestone&#039; in quantum computing with reduction in error rates - Business Telegraph\" \/>\n<meta property=\"og:description\" content=\"Google scientists said on Wednesday that they have passed a major milestone in their quest to develop effective quantum computing, with a new study showing they reduced the rate of errors &#8212; long an obstacle for the much-hyped technology. 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